<template>
  <view class="my-settle-container">
    <!-- 全选区域 -->
    <label class="radio">
      <radio color="#C00000" :checked="isFullCheck" @click="changeAllState" />
      <text>全选</text>
    </label>

    <!-- 合计区域 -->
    <view class="amount-box">
      合计:
      <text class="amount">￥{{ checkedGoodsAmount }}</text>
    </view>

    <!-- 结算按钮 -->
    <view class="btn-settle" @click="settlement">结算({{ checkedCount }})</view>
  </view>
</template>

<script>
import { mapGetters, mapMutations, mapState } from 'vuex';
export default {
  name: 'MySettle',
  components: {},
  computed: {
    ...mapGetters('m_cart', ['total', 'checkedCount', 'checkedGoodsAmount']),
    ...mapGetters('m_user', ['addstr']),
    ...mapState('m_user', ['token']),
    ...mapState('m_cart', ['cart']),
    isFullCheck() {
      return this.total === this.checkedCount;
    }
  },
  data() {
    return {
      timer: null
    };
  },
  methods: {
    ...mapMutations('m_cart', ['updateAllGoodsState']),
    changeAllState() {
      this.updateAllGoodsState(!this.isFullCheck);
    },
    settlement() {
      // 1. 先判断是否勾选了要结算的商品
      if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品！');
      // 2. 再判断用户是否选择了收货地址
      if (!this.addstr) return uni.$showMsg('请选择收货地址！');
      // 3. 最后判断用户是否登录了
      if (!this.token) {
        if (this.timer) return;
        let count = 3;
        this.timer = setInterval(() => {
          if (count === 0) {
            clearInterval(this.timer);
            this.timer = null;
            uni.switchTab({
              url: '/pages/my/my'
            });
            return;
          }
          uni.showToast({
            title: `请登录后再结算！${count} 秒后自动跳转到登录页`,
            icon: 'none'
          });
          count--;
        }, 1000);
      } else {
        this.payOrder();
      }
    },
    async payOrder() {
      // 1. 创建订单
      // 1.1 组织订单的信息对象
      const orderInfo = {
        // 开发期间，注释掉真实的订单价格，
        // order_price: this.checkedGoodsAmount,
        // 写死订单总价为 1 分钱
        order_price: 0.01,
        consignee_addr: this.addstr,
        goods: this.cart.filter(x => x.goods_state).map(x => ({ goods_id: x.goods_id, goods_number: x.goods_count, goods_price: x.goods_price }))
      };
      // 1.2 发起请求创建订单
      const { data: res } = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo);
      if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！');
      // 1.3 得到服务器响应的“订单编号”
      const orderNumber = res.message.order_number;
      console.log(orderNumber);
      // 2. 订单预支付
      // 2.1 发起请求获取订单的支付信息
      const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber });
      // 2.2 预付订单生成失败
      if (res2.meta.status !== 200) return uni.$showMsg('预付订单生成失败！');
      // 2.3 得到订单支付相关的必要参数
      const payInfo = res2.message.pay;
      console.log(payInfo);
      // 3. 发起微信支付
      // 3.1 调用 uni.requestPayment() 发起微信支付
      const [err, succ] = await uni.requestPayment(payInfo);
      // 3.2 未完成支付
      if (err) return uni.$showMsg('订单未支付！');
      // 3.3 完成了支付，进一步查询支付的结果
      const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber });
      // console.log(res3);
      // 3.4 检测到订单未支付
      if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！');
      // 3.5 检测到订单支付完成
      uni.showToast({
        title: '支付完成！',
        icon: 'success'
      });
    }
  }
};
</script>

<style lang="scss">
.my-settle-container {
  position: fixed;
  left: 0;
  bottom: 0;
  /*  #ifdef  H5  */
  bottom: 50px;
  /*  #endif  */
  background-color: white;
  width: 100%;
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;
  .radio {
    display: flex;
    align-items: center;
  }
  .amount {
    color: #c00000;
  }
  .btn-settle {
    height: 50px;
    min-width: 100px;
    background-color: #c00000;
    color: white;
    line-height: 50px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>
